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Phone ZTE C88 Samsung SGH-X400 Ericsson T66 Samsung Galaxy Core Prime (GSM) Samsung Galaxy Note20 Ultra
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? ? 4.5" diag.
5 : 3
6.9" diag.
19.5 : 9
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
? 480 x 800 pixels
(~207 ppi)
LCD (TFT/TFD)
1440 x 3088 pixels
(~494 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz 120 Hz
Battery 800 mAh 620 mAh ? 2,000 mAh 4,500 mAh
Processor ? ? ? 1.2 GHz Qualcomm Snapdragon 410 MSM8916 3.1 GHz Qualcomm Snapdragon 865+
RAM ? ? ? 1 GB 12 GB
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB 128 GB *
Main Camera Yes - - 5 megapixel 108 megapixel
Wide Camera - - - - 12 megapixel
Tele Camera - - - - 12 megapixel
Video Capture - - - 720p HD 8K
Front Camera - - - 2 megapixel 10 megapixel
Weight 3.46 oz
(98g)
3.17 oz
(90g)
2.08 oz
(59g)
4.27 oz
(121g)
7.34 oz
(208g)
Dimensions 3.85" x 1.92" x 0.7"
(98 x 49 x 17.8 mm)
3.39" x 1.81" x 0.8"
(86 x 46 x 20.3 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
5.16" x 2.68" x 0.35"
(131 x 68 x 8.9 mm)
6.49" x 3.04" x 0.32"
(165 x 77 x 8.1 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 41, 66, 71, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT GPRS - LTE (Cat 3) NR (5G)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
in-display (ultrasonic)
Flashlight - - - Yes Yes
GPS / Location Yes - - n/a n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - - - n/a n/a
Hearing Aid Compatible - - - Yes Yes
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes - - Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - - - n/a n/a
NFC - - - - Yes
USB Yes
Micro-USB
- - Yes
Micro-USB
Yes
USB Type C
UWB - - - - Yes
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID - Yes - n/a n/a
Ringer ID Yes Yes - n/a n/a
Voice Dialing Yes - - n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes - - n/a n/a
Data & Network
Data Tethering - - - n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client Yes - - n/a n/a
EMS / Picture Messaging - Yes Yes n/a n/a
Instant Messaging Yes - - n/a n/a
MMS Yes - - n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - - Yes -
Music Player - - - n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - Yes Yes n/a n/a
Voice Memo Yes - - n/a n/a
Software
BREW Yes - - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) - Yes - n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) - Yes - n/a n/a
Speaker Phone Yes - - Yes Yes
  ZTE C88 Samsung SGH-X400 Ericsson T66 Samsung Galaxy Core Prime (GSM) Samsung Galaxy Note20 Ultra
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE C88 Samsung SGH-X400 Ericsson T66 Samsung Galaxy Core Prime (GSM) Samsung Galaxy Note20 Ultra

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